Its county seat is San Antonio, the second-most populous city in Texas and the seventh-largest city in the United States. Bexar County is included in the San Antonio-New Braunfels, TX metropolitan statistical area. Bexar county includes Government Canyon state natural area in northwestern part of the county.
If the screen width is 7 feet and the projector's throw ratio is 2.0 - 2.4:1 (because projectors have zoom lenses, they also have a range of throw ratios) then you can place your projector anywhere from 14 to 16.8 feet away from the screen.
Projector Lamp Life and Brightness. There are exceptions, some projectors trying to pack maximum punch will drive the lamps harder â shorter lives. There are still a number of 2000 hours at full power projector still on the market at this time. There are also manufacturers claiming beyond 6000 hours. Iâve seen 7000, 8000 and even one projector group claiming 10,000 hours, but beware, these days, itâs not always apples to apples. I will explain below.